package com.baizhi.wd.service;

import java.util.List;

import com.baizhi.wd.entity.Person;
import com.baizhi.wd.entity.User;


public interface UserService {
	// 查一个
	public User queryOne(String username);
	//查所有
	public List<User> queryall();
	//添加一个
	public void regist(User user) ;
}